package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save (@RequestBody DishDTO dishDTO){
        log.info("新增菜品:{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);
        //清理缓存数据
        String key ="dish_"+dishDTO.getCategoryId();
        redisTemplate.delete(key);
        return Result.success();
    }
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
       log.info("菜品分页查询:{}",dishPageQueryDTO);
     PageResult pageResult=  dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /**
     * 菜品的批量删除
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品的批量删除")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("批量删除:{}",ids);
        dishService.deleteBatch(ids);
        //清理redis缓存
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品数据
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品数据")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询数据:{}",id);
        DishVO dishVO=dishService.getByIdWidthFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品西信息
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品信息")
    public Result update(@RequestBody DishDTO dishDTO) {
     log.info("修改菜品:{}",dishDTO);
     dishService.updateWithFlavor(dishDTO);
     //清理缓存数据
        cleanCache("dish_*");
        return Result.success();
    }
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result<String> startOrStop(@PathVariable Integer status,Long id){
        dishService.startOrStop(status,id);
        cleanCache("dish_*");
        /**
         * 因为hashset没有序列化，导致存入数据乱码
         */
//Set keys =redisTemplate.keys("dish_"+"*");
//redisTemplate.delete(keys);
//        System.out.println("1231231"+keys);
        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list (Long categoryId){
        List<Dish> list=dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 统一清理缓存数据
     * @param patten
     */
    private void cleanCache(String patten){
        Set keys =redisTemplate.keys(patten);
        redisTemplate.delete(keys);
    }
}
